Name:Shenzhen Welsun Electronic Co.,Ltd Add:No.016, 10/F,information building,Fuyong ... $msn.cn 1)MCPCB 2)printed circuit board, 3)High quality,ROHS 4)HAL lead free board Lead free HASL PCB 1. ... Markets: Euro,America, Asia Detailed Product Description 1)Aluminum board (Al type:5052 or 6061) 2)Surface finish: OSP ... Conductivity(Dielectric layer):1.8 to 3.0W/m-k We offer as following Layer:1-22 Layers rigid ...